person notified immediately in case of an accident
What is the instructor
100
anything that occupies space and has a mass
What is matter
100
basic building block of matter
What is atom
100
the capacity to do work
What is definition of energy
100
found on the left side of the chart
What is metals
200
these must be worn at all times
What is safety goggles
200
quantity of matter that substance possesses
What is mass
200
two or more kinds of atoms joined together
What is compound
200
heat, light and sound
What is the forms of energy
200
found on the right side of chart
What is nonmetals
300
a wide mouthed container used to transport, heat or store substances
What is beaker
300
relationship of mass to a unit volume
What is density
300
properties that can be observed with our senses and properties that can be observed in regard to whether or not a substance reacts with other substances
What is physical and chemical properties
300
mass times velocity of light squared
What is the formula for energy
300
found on the far right side of the chart
What is noble gases
400
used to light a Bunsen burner
What is striker
400
can change to a solid, liquid and gas
What is the states of matter
400
energy released in the formation of a new structure exceeds the chemical energy in the original substance
What is exothermic reaction
400
most common system of measurement that uses the decimal system as base
What is SI system
400
alkai metals that react with water to form bases
What is Group 1 metals
500
used to pick up or hold hot objects
What is tongs
500
combining elements in a definite proportion by mass and made up of two or more kinds of atoms
What is the Law of Definite Composition
500
new structure needs to absorb more energy than available from reactants
What is endothermic reaction
500
measurement includes all digits that are certain plus one uncertain digit